Character can almost be called the most effective way to convince others.
For though we love both the truth and our friends, piety requires us to honor the truth first.
It would be wrong to put friendship before the truth.
...virtue is not merely a state in conformity with the right principle, but one that implies the right principle; and the right principle in moral conduct is prudence.
Courage is the first of human qualities because it is the quality which guarantees the others.
Excellence, then, is a state concerned with choice, lying in a mean, relative to us, this being determined by reason and in the way in which the man of practical wisdom would determine it.
Virtue is the golden mean between two vices, the one of excess and the other of deficiency.
Of all the varieties of virtues, liberalism is the most beloved.
For the lesser evil is reckoned a good in comparison with the greater evil, since the lesser evil is rather to be chosen than the greater. .
Every man should be responsible to others, nor should any one be allowed to do just as he pleases; for where absolute freedom is allowed, there is nothing to restrain the evil which is inherent in every man.
